E46 | Nimzo-Indian Defence |
| 4.e3 O-O |
| 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O |
| |
E46 | Nimzo-Indian Defence |
| Reshevsky Variation |
| 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Ne2 |
| |
E46 | Nimzo-Indian Defence |
| Simagin Variation |
| 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Ne2 d5 6.a3 Bd6 |
| |